Why is Saturday stronger than Monday?

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?

Count the number of lines in the image below ?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

A bomb exploded in a room full of married couples and no one died. How?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

Can you find out the next digit in the following series ?

0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

A journalist was investigating a sacred cult in the jungles of Africa when he was caught by one of the person. He was confined in a cave till the leader arrived. The leader told him that he need to tell him a statement. If he thinks the statement is true, then the journalist head will be chopped off. If he thinks that the statement is false, his head will be smashed with a hammer.

What statement did the journalist make to survive?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?